The investigation of headache.
D000328:Adult; D001932:Brain Neoplasms / Q000150:complications; D002528:Cerebellar Neoplasms / Q000150:complications; D014695:Cerebral Ventriculography; D002561:Cerebrovascular Disorders / Q000150:complications; D002648:Child; D002675:Child, Preschool; D006259:Craniocerebral Trauma / Q000150:complications; D003397:Craniopharyngioma / Q000000981:diagnostic imaging; D005260:Female; D006261:Headache / Q000134:cerebrospinal fluid / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology; D006408:Hematoma, Subdural / Q000150:complications; D006801:Humans; D006849:Hydrocephalus / Q000150:complications; D002532:Intracranial Aneurysm / Q000150:complications; D002538:Intracranial Arteriovenous Malformations / Q000150:complications; D007427:Intracranial Pressure; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000209:etiology; D009900:Optic Nerve / Q000000981:diagnostic imaging; D010911:Pituitary Neoplasms / Q000150:complications / Q000000981:diagnostic imaging; D011011:Pneumoencephalography; D014056:Tomography, X-Ray